Doffer-roll.



1. BARKER.

DOFFER ROLL.

APPLICATION FILED MAY I6. Isn.

Patented Dec. 3,. 1918.

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AWE@ PATE onirica JAMEs PARKER, 0E PHILADELPHIA, PENNSYLVANIA, AssIGNonTo MARY EMMA PARKER, 0E EYDAL, PENNSYLVANIA.

BUFFER-ROLL.

Speciication of Letters Patent.

Patented Dec.. 3, 191%.,

Application filed May 16, 1917. Serial No. 168,994.

To all whom t may concern:

Be itknown that I, JAMES BAKKER, acitizen of the United States, residingin Philadelphia, Pennsylvania, have invented certain Improvements inDenier-Rolls, of which the following is a specification.

My nventionrelates to certain improvements in doffer rolls used incarding and like machines.

The object of the invention is to provide means for retaining the cardclothin on the roll so as to prevent it from slipping tance apart, asclearly shown in Fig. 1. In each channel is located a tacking strip 3 ofwood, or other suitable material. This strip can `be driven into thechannels or can be secured therein in any suitable manner. l is theleather base of the card clothing in which are located the usual teeth5. Tacks, or other suitable fastenings 6, are driven through the leatherand into the strips 3 and these fastenings preventthe cardtclotliingfrom creeping on the cylinder. They not only hold the card clothingagainst relative `movement on the cylinder, but also y against lateralmovement thereon.

I` claim:

The combinationof a dotfer cylinder having a series of parallel groovesextending transversely from one edge of the cylinder to the other"across its face; a wooden strip mounted in each groove; card clothingcoveringgthe said cylinder; and headed tacks "driven through the cardclothing and into the strips after the clothing is in place andretaining the clothing rmly on the cylinder. In witness whereof I aliixmy signature. JAMES BARKER.

Copies of this patent may be obtained for ve cents each, `.by addressingthe Commissioner oi' Patents.

Washington, D. C.

